Adrianne Chester Camat
Trojan:Win32/Medfos.A (Microsoft); Medfos.aq (McAfee); Trojan.Malcol (Symantec); Trojan.Win32.Midhos.vbp (Kaspersky); Trojan.Win32.Medfos.t (v) (Sunbelt); Win32/Cryptor (AVG)
Windows 2000, Windows XP, Windows Server 2003
17 Dec 2013
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.
Restart in Safe Mode
Delete this registry value
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
Remove malware/grayware files dropped/downloaded by TROJ_MEDFOS.SMI. (Note: Please skip this step if the threats listed below have already been removed.)
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_MEDFOS.SMI. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.